LT3585-0/LT3585-1
LT3585-2/LT3585-3
2
3585f
V
IN
Voltage ................................................................16V
V
BATT
Voltage ............................................................16V
SW Voltage ...............................................................60V
SW Pin Negative Current ...........................................–1A
CHRG/IADJ Voltage ...................................................10V
IGBTPWR Voltage .....................................................10V
IGBTIN Voltage .........................................................10V
IGBTPU Voltage ........................................................10V
IGBTPD Voltage ........................................................10V
DONE Voltage ...........................................................10V
Current Into DONE Pin ............................... 0.2mA/–1mA
Maximum Junction Temperature .......................... 125°C
Operating Temperature Range (Note 2) ... –40°C to 85°C
Storage Temperature Range ................... –65°C to 125°C
(Note 1)
The
● denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V
IN
= V
BAT
= V
CHRG
= 3V unless otherwise noted (Note 2). Specifi cations
are for the LT3585-0, LT3585-1, LT3585-2, LT3585-3 unless otherwise noted.
PARAMETER
CONDITIONS MIN TYP MAX UNITS
Quiescent Current V
CHRG
= 3V, Not Switching
V
CHRG
= 0V, In Shutdown
5
0
8
1
mA
µA
V
IN
Voltage Range
●
2.5 16 V
V
BAT
Voltage Range
●
1.5 16 V
Switch Current Limit LT3585-3 (Note 3)
LT3585-0 (Note 3)
LT3585-2 (Note 3)
LT3585-1 (Note 3)
1.55
1.1
0.75
0.45
1.7
1.2
0.85
0.55
1.85
1.3
0.95
0.65
A
A
A
A
Switch V
CESAT
LT3585-3, I
SW
= 1.4A
LT3585-0, I
SW
= 1A
LT3585-2, I
SW
= 700mA
LT3585-1, I
SW
= 400mA
485
330
230
140
mV
mV
mV
mV
V
OUT
Comparator Trip Voltage Measured as V
SW
– V
BAT
●
31
30.5
31.5
31.5
32
32.5
V
V
V
OUT
Comparator Overdrive 300ns Pulse Width 200 400 mV
DCM Comparator Trip Voltage Measured as V
SW
– V
BAT
80 130 180 mV
CHRG/IADJ Pin Current V
CHRG
= 3V
V
CHRG
= 0V
45
0
70
0.1
µA
µA
Switch Leakage Current V
BAT
= V
SW
= 5V, In Shutdown
●
0.01 1 µA
CHRG/IADJ Minimum Enable Voltage
●
1.1 V
ELECTRICAL CHARACTERISTICS
ABSOLUTE AXI U RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UUW
TOP VIEW
11
DDB PACKAGE
10-LEAD (3mm × 2mm) PLASTIC DFN
IGBTIN
IGBTPWR
GND
V
IN
V
BAT
IGBTPU
IGBTPD
SW
CHRG/IADJ
DONE
6
8
7
9
10
5
4
2
3
1
T
JMAX
= 125°C, θ
JA
= 76°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
ORDER PART NUMBER DDB PART MARKING
LT3585EDDB-0
LT3585EDDB-1
LT3585EDDB-2
LT3585EDDB-3
LCLK
LCLJ
LCLH
LCFX
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.